Portable loudspeaker



FIG. 1 is a front perspective view of a first embodiment of a portable loudspeaker, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a side view thereof;

FIG. 8 is an opposite side view thereof;

FIG. 9 is a front perspective view of an alternative configuration of the portable loudspeaker;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a top view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a side view thereof;

FIG. 16 is an opposite side view thereof;

FIG. 17 is a front perspective view of a second embodiment of a portable loudspeaker, showing my new design;

FIG. 18 is a rear perspective view thereof;

FIG. 19 is a front view thereof;

FIG. 20 is a rear view thereof;

FIG. 21 is a top view thereof;

FIG. 22 is a bottom view thereof;

FIG. 23 is a side view thereof; and,

FIG. 24 is an opposite side view thereof.

The broken line portions show unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a portable loudspeaker, substantially as shown and described. 